7th Class Social Science Sample Paper Social Science Sample Paper - 8

  • question_answer How do sea caves turn into stacks?              


         Sea waves strike at the rocks. As a result, cracks develop which become bigger over time and hollow like caves are formed on the rocks. They are called sea caves. These cavities become bigger and bigger and a time comes when only the roof of the caves remain to form sea arches. Further erosion breaks the roof and only walls are left. These walls like features are called stacks. In this way, sea caves turn into stacks.                                                                     


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